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(PDF) IRJET- Enhancing Productivity in Opencast Mines -A ...

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 07 Issue: 04 | Apr 2020 p-ISSN: 2395-0072 Enhancing Productivity in Opencast Mines – A Quantified Approach Prashant K. Nayak1, M. Bharath Simha Reddy2, S. Sai Kumar Reddy2, S. Malleshwar Reddy2, N. Chatinaya Sai Ram Reddy2 1 Assistant Professor, …

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New technology to reduce coal mine operating costs

 · Australian mining technology company Emergent Mining Technologies (EMT) launched its Reduced Energy Mining System (REMS) in May to increase the energy efficiency of opencast coal mines. The ...

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Improving mine productivity through ultra-high …

 · News & Media Improving mine productivity through ultra-high intensity blasting 12 Aug 2014. Orica's Dr Geoff Brent and his research team have been recognised for groundbreaking research using a novel method of …

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Assessment of ground rippability in opencast mining ...

Singh, R N, Denby, B, Egretli, I, and Pathan, A G. 1986. "Assessment of ground rippability in opencast mining operations." United Kingdom. abstractNote = {Ground preparation by ripping or blasting in hard and abrasive rock masses is desirable to improve the operational efficiency and performance of excavating machinery.

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Improving energy efficiency in comminution - …

 · MINING.com asked three experts at Metso to discuss ways for mining companies to improve energy efficiency in comminution. The experts are Alan Boylston (AB), Director of Process Engineering ...

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Quality and Performance of Permitted Explosives and ...

 · an explosive system, two main aims are to maximize safety and to minimize the total cost of mining. Although, stiff competition amongst the explosive suppliers has brought the prices of the explosives items down, but there has been concern over the quality of the explosives being supplied to the mining industry. Therefore,

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Rock fragmentation control in opencast ... - ScienceDirect

 · The mine is currently producing 14 Mt of coal per annum. Sonepur Bazari project of Eastern Coalfields Limited is located in the eastern part of Raniganj Coalfields. Four coal seams, i.e. R-IV, R-V, R-VI and R-VII, are mainly exposed in the mine. Presently, seams R-V and R-VI are being extracted by opencast method of mining.

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How Mining Companies Improve Production Efficiencies …

 · Managing mine dilution and controlling grades are key to improving recoveries and economics. When it comes to a producer's share price, production efficiencies and commodity price are the two ...

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EVALUATION OF BLAST FRAGMENTATION OF AN …

 · OPENCAST MINE 1Mithilesh Kumar Rajak, 2M.J.A .Prince 1Assistant Professor, 2Assistant Professor 1Dept. of Mining Engineering 1AMET University, Chennai, India ABSTRACT: Fragmentation is one of the critical results of the blasting also treated as first quality demand in most types of blasting which

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DigiShot Detonator Precision Improves Cast and Lowers ...

 · DIGISHOT® PRECISION IMPROVES EFFICIENCY OF CASTING OPERATIONS IN LARGE COAL MINES LEADING TO BIG SAVINGS DigiShot electronic detonators were used to confirm that accurate delay timing provided by precision electronic detonators correlates to improved explosive performance and an associated increase in effective overburden cast.

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NEW METHODOLOGY TO IMPROVE PRODUCTIVITY OF …

 · reduce operating costs, increase production rates and improve overall process, energy and water efficiency. Implementation of the PIO methodology has delivered significant improvements in mine efficiency, mill throughput and reduced operating costs at mines around the world (Dance et al, 2006). For example, increases in

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Optimization of Blasting Parameters in opencast Mines

 · National Institute of Technology Rourkela This is to certify that the thesis entitled " Optimization of Blasting Parameters in Opencast Mines " submitted by Sri Manmit Rout (Roll. No.: 10305019) and Sri Chinmay Kumar Parida (Roll. No.: 10305017), in fulfillment of the requirements for the award of Bachelor of

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2nd International Conference on Opencast Mining …

 · 8:30 AM 9:30 AM 9.45 AM 9:45 AM to 11: 35 AM 11:35 to 11:45 AM 12:30 PM to 2:00 PM Keynote Papers Author Institution Chairman 1 R B Mathur Ex CMD Co- Chairman 2 Abdul Kalam Ex CMD Rapporteur 3 R Chandra Ex Director Tech papers Author Institution 4 Takeaway from ICOMS 2018 M K Prasad Director(P&P) NCL 1 Energy Conservation in …

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surface coal mine opencast drill and blast

a new, economically effi cient opencast mining method known as surface mining. What followed was an unparalleled success story, and it was headed by WIRTGEN as the driving for ce behind it right from the start. 1980 marked the birth of the state-of-the-art surface mining process – WIRTGEN developed a prototype based on road milling machines,

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The composition of explosives - russianpatents.com

The composition of explosives containing granulated ammonium nitrate, diesel fuel and coal powder, while ammonium nitrate soaked in diesel fuel and Audrina coal powder, characterized in that it further comprises a pellet, the hydrated or cheshuirovannyj TNT - 4 - 8. Diesel fuel is 1.5 - 3. Coal powder 3 - 5. Granulated ammonium nitrate - the Rest.

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MEX-01 Explosive managment system audit checklist

 · 2. The checklist can be used to identify the existing level of performance in explosive management at mines and quarries through: • the assessment of compliance with explosive legislative requirements including the . Explosive Act 2003 . and. Explosive Regulations 2013, Mine Health & Safety Act 2004 . and. Mine Health & Safety Regulation 2007

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Optimization of the cycle time to increase productivity at ...

 · opencast mining, cycle time, optimization, productivity. Introduction The aim of the project was to increase Ruashi Mining's productivity by 39%, from about 7.537 Mt of broken material mined to 12..367 Mt targeted in 2017. Background Ruashi Mining is a copper (main commodity), cobalt (by-product), and acid producer located in the

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Evaluation of Blasting Efficiency in Surface Mines

 · Blasting efficiency in surface Mines" by "Abinash Parida'', Roll Number 613MN3003, is a record of original research carried out by him/her under my supervision and guidance in partial fulfilment of the requirements of the degree of Master of technology (Research) in Mining Engineering. Neither this dissertation nor any part of it has ...

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Noise Pollution and Its Control in Mining

2  · Noise Pollution and Its Control in Mining. Article shared by : The noise is now being recognised as a major health hazard; resulting in annoyance, partial hearing loss and even permanent damage to the inner ear after prolonged exposure. The problem underground is of special importance because of the acoustics of the confined space.

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Life cycle assessment of opencast coal mine production: a ...

The Yimin opencast coal mine was selected to conduct a case study. The production of 100 tons of coal was used as the functional unit to evaluate the environmental risks in the stages of stripping, mining, transportation, processing, and reclamation. A total of six environmental impact categories, i.e., resource consumption, acidification ...

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Application of plastic funnel in blast hole to improve ...

 · the explosives energy for more breaking of the rock. . Figure 1: Plastic funnel . D. Karakus has studied the impact of stemming plug to maximize the utilization of . et al. explosive energy to improve blasting efficiency and he has found that there was an increase in explosive energy transmitted to rock mass, resulting in better fragmentation.

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8 strategies for reclaiming efficiency and …

 · Optimize mine sites through enhanced sequencing. Ramp up production from lower cost mines and prioritize lower cost projects. Attract and retain experienced mine planners capable of improving operational …

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Optimization of the load-and-haul operation at an …

 · Research shows that an increase in production will ultimately decrease the operation's unit cost, especially fixed costs. In this study a load-and-haul fleet optimization approach has been used to ...

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v118n5a1 Optimization of the load-and-haul operation …

 · industry. Locally, the overall mining cost inflation indices shows a yearly increase of 2% over the national consumer inflation. In order for coal mines to survive and mine profitably, they need to capitalize on the opportunity to improve their productivity and focus on one factor they can control: operational efficiency.

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Study of efficiency and productivity growth in opencast ...

 · mining regions showed decline in productivity between 1985 and 1990, 1990 and 1995 and 1995 and 1997, respectively. Technical progress seems to have been the major driving factor behind productivity growth in opencast mining, while efficiency growth has been the most important factor in growth of underground mine productivity. Underground mines ...

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Optimization of Blasting Operation in Opencast Mine

 · Because modern mines require large amounts of explosives throughout the mine's life, the cost of blasting operation can be significantly reduced by reducing the cost of explosives. Key Words: Optimization, Drilling, Blasting, Opencast mine, Blast model, Explosives, Machinery. 1. INTRODUCTION Pre commencement of topic to introduce MINING

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Prediction of slope failure in open-pit mines using a ...

 · Slope collapse is a critical hazard in open-pit mines as it can be of any scale, small or large, and directly affect people, equipment, and production processes (Fig. …

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Optimization of Blasting Parameters in opencast Mines

 · complicated, more efficient, and more cost effective than it was before. Singh and Dhillon (1996) pointed out that to optimize the cost in an opencast mine, there is a need to optimize the drilling and blasting parameters. Incase of blasting operations; for optimization of explosives, the first step is to

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(PDF) NEW METHODOLOGY TO IMPROVE PRODUCTIVITY …

In mining operation, blasts are used to fracture the in-situ rock mass and prepare it for excavation, crushing and grinding. The High-energy blasting, which uses increased amount of explosive ...

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Increasing productivity, efficiency and safety in mining

Mining is currently seeing the start of what will be the great convergence of IT and operational technologies. Many observers have touted it as the foundation for the industry's next technological step change, which will be focused on an effort to facilitate productivity gains, efficiency, and safety. A study by consultancy firm McKinsey ...

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Methods and techniques for energy efficiency assessment …

The article addresses energy efficiency of geotechnological facilities at opencast mines. The energy intensity of basic processes in solid mineral mining by the opencast method using the cyclical technologies takes up to 60–70% of the total mining and haulage cost. Given the mining technology is selected, and the stripping and excavations directions and procedures are …

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surface coal mine opencast drill and blast

The Masama coal project will be a conventional open-cast mining operation using trucks and shovels for the first 25 years of the mine life. The E, A, and AU coal seams in the West block are amenable for open-cast mining. Shallow underground mining method involving drill and blast operations will be carried out to extract the G and K coal seams ...

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Coal mine site reclamation - United States Energy …

 · actually being reduced. This is largely due to the improvement in mining efficiency –technologies are improving so that more coal can be extracted from each individual mine –and to the increasing size of single mines. For example, in 2007 the Shengdong Coal Mining Company in China produced over 20 Mt of coal from only two long-wall work faces.

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POLICY INITIATIVES AND REFORM MEASURES

 · Surface Miners have been introduced in opencast mines in a big way to improve operational efficiency, customer satisfaction and to cater environmental needs. Around 50% coal production during 2018-19 was from Surface Miners. In order to further improve the operational efficiency, Operator Independent Truck Dispatch System (OITDS) and In-pit ...

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